Cultivator



(No Model.)

' B. P. GOON.

GULTIVATOR.

No. 493,398. Patented Mar 14, 1893;

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UNITED STATES PATENT EErcE.

BENJAMIN F. COON, OF JAMAICA, IOWA.

CULTIVATOR.

SPECIFICATION forming part of Letters Patent No. 493,398, dated March14, 1893.

Application filed October 24, 1892. Serial No. 449.751. (No model.)

To all whom it may concern:

Be it known that I, BENJAMIN F. COON, a citizen of the United States ofAmerica, residing at Jamaica, in the county of Guthrie and State ofIowa, have invented an Improvement in Cultivators, of which thefollowing is a specification.

The objects of my invention are to impart and regulate motion, by gearor otherwise, from a drive or traction Wheel to a wheel or hacklecarrying teeth or knives through the ground thereby thoroughlypulverizing the soil, the said invention being specially adapted to thecultivation of corn, cotton or any other crop planted in rows or,drills.

My object is further to provide convenient and easily operated meanswhereby the soil may be pulverized in close proximity to the plantswithout disturbing the same or covering them with the soil and toprovide simple means whereby the depth to which the soil shall be workedmay be readily adjusted by a person upon the drivers or operators seatof the cultivator so that the roots of the plants will not bedisturbedif they are close to the ground surface.

My invention consists in the construction, arrangement and combinationof parts whereby the above results are accomplished as hereinafter setforth, pointed out in my claims, and illustrated in the accompanyingdrawings, in which Figure 1 is a vertical longitudinal sectional view ofthe complete cultivator through its approximate central portion. Fig. 2is a top or plan View of the complete cultivator. Lines are shown in thepath of the rotary harrows to indicate the movement of the harrow teeth.Fig. 3 is an enlarged detail view partlyin section showing a portion ofone of the traction wheels of the device, and a part of the axle, andthe arrangement of the gear wheels and harrow supporting frame relativethereto, and Fig. 4: is an enlarged detail perspective view of one ofthe vertical shafts which support the harrow supporting frame.

Referring to the accompanying drawings, the reference letter A is usedto designate the traction wheels of the device, and A the axle thereofwhich is preferably arched in its central portion to pass over highplants. A

designates the tongue of the cultivator which is connected with saidaxle and has a drivers seat A secured to its rear end portion.

B B designate rotary harrows each of which is provided with a verticalaxle B which have their bearings in the supporting frames B B Theseframes are connected with the axle by means of the vertical shafts B BIn the central portion of each of these shafts is a bearing B adaptingthem to be placed upon the axle A and be capable of a slight rotarymovement relative thereto. The ends of these shafts B are adapted to besecured in the frames B part of which passes above the axle and partbeneath, as clearly shown in Fig. 1, and said shafts B are held inproper position upon the axle by means of the adjustable collars B. Theforward extremities of these frames B B are connected by means of thebar B which has a pivotal and adjustable connection therewith. It willnow be obvious that the said rotary harrow may be elevated, lowered ormoved from one side to the other by means of power applied to the bar13, and it will also be seen that the distance between the harrows maybe adjusted by changing the point of attachment of the frames with thebar B To provide for the convenient movement of the harrows as abovestated I have provided a lever O mounted in convenient juxtaposition tothe driving or operators seat, fucru med to the axle A where it has auniversal joint, and then pivotally attached to the said bar B 0designates a support for the said lever, fixed to the tongue and in sucha position that the lever 0 when restingtherein will hold the harrows Belevated above the ground surface.

Means are provided whereby the rotary harrows may be rotated by means ofthe traction wheels of the device as follows. The means for operatingboth harrows are alike so that but one will be described.

D designates a bevel gear wheel secured to the inner end portion of thehub of the traction wheel. D is a like wheel in mesh therewith andmounted upon the vertical shaft 13. D designates a rotatable shafthaving its hearings in the frame B and having a bevel gear wheel fixedto each end, the forward one of which D is in mesh with the wheel D andthe rear one D is in mesh with a like wheel F which is fixed to theverticle axle B of the rotary harrow B. The relative size of 'the plantsthereby reducing the power required to operate the device to a minimum.It will be obvious also that the barrows-will be rotated in oppositedirections so thatthein inner ends will be moved forwardly.

Having thus described my invention, what Iclaim as new, anddesire tosecure byLetters Patent, is-.

1. An improved cultivator, comprising a ta e arri getwo r m s. en d. ogitudinally of the carriage, on opposite sidesofa its center and havinguniversal connection therewith, a rotary barrow rotatably mount-' ed intherear end of eachof the sai l f1-a mes,,-, a harpivotally andadjustably connected with the forward endsjof said bars for the purposesstat ed,a lever having a universal, connectionwith a suitable part ofthe car-1 riage and a pivotal connection with said'fbar and-means forrotating the said harrowswith, their inner ends moving forwardly,bymeans, of power transmittedfrom thetraction wheels, of the saidcarriage.w

2. An improved cultivator, comprising a suitableycarriage, two barrowsupporting,

frames extended longitudinally of the car-.7 riageon opposite sides ofits center, a vertical shaft mounted upon the end portions of the axleof thetraction wheels of the device, to rotate in a plane at rightangles thereto, and having the said frames pivotally attached to theirends to produce a universally movable connection between said frame andthe axle, a bevel gear ,Wheel formed on or fixed to the inner endportion of each hub, a harrow rotatably mounted in the rear end of eachof the said frames, and atrain of gears mounted in each of said framesto transmit motion from the aforesaid gear wheel to the harrow and meansfor vcontrolling the position of the barrows. substantially as set forthfor the purposes stated.

3. An improved cultivator-comprising a suitable carriage, two rotaryharrows .each

B mounted on (the vertical shafts B which in turn are rotatablymountedupon theaxleof frame B a lever, vC having a universal, con- .nectionwith axle ofthetraction wheels and J a pivotal connection with the barB? the support 0 fortheleverO, the. bevel gearvwheel ,D formedon orfixedtothe.inner-endsof the traction wheels and asystemof gears.mount-.

, the carriaga the loartB 'pivota'llyand. ad- I. j ustably attached tothe forward ends of the,

ed in, the saidvframes 'to transmit a rotary moving forwardlyi from thegear. wheels. D

,s'ubsta'ntially in the manner set forth, for the purposes stated.

BENJAMIN" F. COO'N. Witnesses:

W. J. SANKEY, THOMAS G.- ORWIG.

motion to the barrows withth'eirinner edges;

